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AKD4640 Datasheet(PDF) 11 Page - Asahi Kasei Microsystems |
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AKD4640 Datasheet(HTML) 11 Page - Asahi Kasei Microsystems |
11 / 29 page ASAHI KASEI [AKD4640] <KM072300> 2003/07 - 11 - MEASUREMENT RESULTS 1. EXT mode (slave mode) [Measurement condition] • Measurement unit: Audio Precision, System two • BICK: 64fs • Bit: 16bit • Measurement Frequency: 20 ∼ 20kHz • Power Supply: AVDD=DVDD=PVDD=HVDD=3.3V • Temperature: Room • Input Frequency: 1kHz • Sampling Frequency: 44.1kHz [Measurement Results] 1. ADC (INT) characteristics (MIC Gain = +20dB, IPGA=0dB, ALC1 = OFF, INT à IPGA à ADC) L[dB] THD+N 20kHzLPF (-1dB) 80.9 DR 20kHzLPF + A-weighted 84.4 S/N 20kHzLPF + A-weighted 84.5 2. DAC (HPL/HPR) characteristics (RL=22.8 Ω, DATT=0dB, DAC à HPL/HPR) L[dB] R[dB] THD+N 20kHzLPF (-3dB) 70.6 71.3 DR 20kHzLPF + A-weighted 89.7 89.7 S/N 20kHzLPF + A-weighted 90.1 90.2 |
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